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HD 166970


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ICCD speckle observations of binary stars. VIII - Measurements during 1989-1991 from the Cerro Tololo 4 M telescope
One-thousand eighty-eight observations of 947 binary star systems,observed by means of speckle interferometry with the 4 m telescope onCerro Tololo, are presented. These measurements, made during the period1989-1991, comprise the second installment of results stemming from theexpansion of our speckle program to the southern hemisphere.

Walraven photometry of nearby southern OB associations
Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.

ICCD speckle observations of binary stars. V - Measurements during 1988-1989 from the Kitt Peak and the Cerro Tololo 4 M telescopes
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1990AJ.....99..965M&db_key=AST

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다음 그룹에 속해있음:

관측 및 측정 데이터

별자리:궁수자리
적경:18h14m38.77s
적위:-36°53'56.1"
가시등급:7.786
거리:195.695 파섹
적경상의 고유운동:-3.8
적위상의 고유운동:-14.3
B-T magnitude:7.842
V-T magnitude:7.791

천체목록:
일반명   (Edit)
HD 1989HD 166970
TYCHO-2 2000TYC 7404-679-1
USNO-A2.0USNO-A2 0525-33551647
HIPHIP 89399
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